Leak software when I want to set an AlarmManager for the second time

I've Alarm Manager for set my alarm in application

but when i want to add an Alarm a second time my app be lock (Leak And Crash)

this is my code

AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);Intent intent = new Intent(context, AlarmReceiver.class);intent.putExtra(AlarmService.ID, id);intent.putExtra(AlarmService.MAIN_VISIT, mainVisit);intent.putExtra(AlarmService.SERVICE_RECIVER, mainVisit.getDueDate());intent.putExtra(AlarmService.SERVICE_NAME, mainVisit.getDepartment().getTitleFa());PendingIntent pendingIntent = PendingIntent.getBroadcast(context, id, intent, 0);am.set(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis() - 86400, pendingIntent);